<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>专业产品-中国天气网</title>
    <style>
        .focus {
            position: relative;
            width: 721px;
            height: 455px;
            background-color: purple;
            overflow: hidden;
}

.focus ul {
    position: absolute;
    top: 0;
    left: 0;
    width: 600%;
}

.focus ul li {
    float: left;
}

.arrow-l,
.arrow-r {
    display: none;
    position: absolute;
    top: 50%;
    margin-top: -20px;
    width: 24px;
    height: 40px;
    background: rgba(0, 0, 0, .3);
    text-align: center;
    line-height: 40px;
    color: #fff;
    font-family: 'icomoon';
    font-size: 18px;
    z-index: 2;
}

.arrow-r {
    right: 0;
}

.circle {
    position: absolute;
    bottom: 10px;
    left: 50px;
}

.circle li {
    float: left;
    width: 8px;
    height: 8px;
    /*background-color: #fff;*/
    border: 2px solid rgba(255, 255, 255, 0.5);
    margin: 0 3px;
    border-radius: 50%;
    /*鼠标经过显示小手*/
    cursor: pointer;
}
    </style>
    
</head>

<body>
    <!-- 引入我们首页的js文件 -->
<div class="focus fl">
    <!-- 左侧按钮 -->
    <a href=" " class="arrow-l">
        &lt;
    </a>
    <!-- 右侧按钮 -->
    <a href="javascript:;" class="arrow-r">  </a>
    <!-- 核心的滚动区域 -->
    <ul>
        <li>
            <a href="#"><img src="img/focus.png" alt=""></a>
        </li>
        <li>
            <a href="#"><img src="img/focus1.png" alt=""></a>
        </li>
        <li>
            <a href="#"><img src="img/focus2.png" alt=""></a>
        </li>
        <li>
            <a href="#"><img src="img/focus3.png" alt=""></a>
        </li>
    </ul>
    <!-- 小圆圈 -->
    <ol class="circle">

    </ol>
</div>
</body>
</html>